.clearfix:before,
.clearfix:after {
  content: "";
  display: table;
}
.clearfix:after {
  clear: both;
}
.clearfix {
  *zoom: 1;
}
* {
  margin: 0;
  padding: 0;
}
img {
  border: 0;
  vertical-align: bottom;
}
.w {
  width: 1200px;
  margin: 0 auto;
}
.staff-heard {
  height: 72px;
  background-color: pink;
}
.staff-student {
  overflow: hidden;
  height: 482px;
  background: url(../uploads/student-1.jpg) no-repeat center center;
  background-size: cover;
}
.staff-student-con {
  overflow: hidden;
}
.staff-content .staff-student-con h2 {
  margin-top: 120px;
  font-size: 44px;
  font-weight: 100;
  height: 66px;
  line-height: 72px;
  font-style: italic;
  margin-bottom: 8px;
}
.staff-student-con p {
  font-size: 16px;
  line-height: 29px;
}
.staff_show {
  width: 1200px;
  margin: 96px auto;
}
.staff_show img {
  width: 100%;
}
.show_pic1 {
  position: relative;
  margin-bottom: 96px;
}
.text_box {
  position: absolute;
  padding: 64px 88px 88px 64px;
  width: 514px;
  background: #fbfbfb;
  box-sizing: border-box;
  top: 94px;
  z-index: 5;
}
.left-box {
  left: -24px;
}
.text_box h3 {
  font-size: 30px;
  color: #2a2e2e;
  letter-spacing: 0;
  line-height: 45px;
  font-weight: 400;
}
.text_box h4 {
  font-size: 20px;
  color: #2a2e2e;
  letter-spacing: 0;
  line-height: 30px;
  margin-top: 16px;
  margin-bottom: 4px;
  font-weight: 400;
}
.show_pic2 {
  position: relative;
}
.desc {
  font-size: 14px;
  color: #5f6464;
  letter-spacing: 0;
  line-height: 25px;
}
.show_pic2 .right-box img {
  width: 216px;
}
.show_pic2 .right-box {
  right: -24px;
  width: 664px;
  padding: 64px 64px 88px 88px;
}
.staff_work_environment {
  position: relative;
  padding-top: 96px;
  padding-bottom: 96px;
  background-color: #fbfbfb;
}
.workconbox {
  position: absolute;
  display: flex;
  flex-direction: column;
  height: 44%;
  width: 50px;
  background-color: rgb(187, 187, 187);
  right: 0;
  top: 180px;
  align-items: flex-end;
  opacity: 0.3;
  border-radius: 30px 0px 0px 30px;
  overflow: hidden;
}
.workconbox div{
  flex: 1;
  width: 100%;
  /* border-radius: 30px 0px 0px 30px; */

}
.workconbox .w120{
  background-color: rgb(114, 114, 114);
}
.work_con {
  width: 1200px;
  margin: 0 auto;
}
.work_title {
  width: 100%;
  overflow: hidden;
  text-align: center;
  font-size: 30px;
  color: #2a2e2e;
}
.work_box {
  margin-top: 44px;
  overflow: hidden;
}
.leftbox {
  float: left;
  width: 49%;
}

.work_box img {
  width: 588px;
  height: 360px;
}
.work_box h4 {
  margin-top: 24px;
  letter-spacing: 0;
  font-weight: bold;
  font-size: 20px;
  line-height: 36px;
  margin-bottom: 8px;
}
.rightbox {
  float: right;
  width: 49%;
}
.staff_activity {
  padding-top: 96px;
  padding-bottom: 96px;
}
.activity_top {
  width: 1200px;
  margin: 0 auto;
}
.top_hd h3 {
  float: left;
  font-size: 30px;
  color: #2a2e2e;
  font-weight: 500;
  min-width: 240px;
  margin-right: 20px;
}
.top_hd .desc {
  float: left;
  margin-top: 17px;
}
.activity_conter {
  margin-top: 44px;
}
.item {
  box-sizing: border-box;
  float: left;
  padding: 40px;
  height: 271px;
  position: relative;
  overflow: hidden;
}
.activity_conter .item {
  float: left;
}
.item-1,
.item-5,
.item-6,
.item-8 {
  width: 66.66666666%;
  background: url(../uploads/txt-1-bg.jpg) no-repeat center;
  background-size: cover;
}
.item-2,
.item-3,
.item-7,
.item-4 {
  width: 33.33333333%;
  background: url(../uploads/txt-2-bg.jpg) no-repeat center;
  background-size: cover;
}
.item-3 {
  background-image: url(../uploads/txt-3-bg.jpg);
}
.item-4 {
  background-image: url(../uploads/txt-4-bg.jpg);
}
.item-5 {
  background-image: url(../uploads/txt-5-bg.jpg);
}
.item-6 {
  background-image: url(../uploads/txt-6-bg.jpg);
}
.item-7 {
  background-image: url(../uploads/txt-7-bg.jpg);
}
.item-8 {
  background-image: url(../uploads/txt-8-bg.jpg);
}

.mask-bg {
  width: 100%;
  height: 100%;
  position: absolute;
  left: 0;
  bottom: 0;
  box-sizing: border-box;
  top: 0;
  left: 0;
  transform: translate(0, 271px);
  transform-origin: bottom;
  transition: transform 0.5s ease;
}
.title {
  font-size: 30px;
  color: #ffffff;
  letter-spacing: 0;
  margin-bottom: 25px;
  position: relative;
}
.label {
  font-size: 16px;
  color: #ffffff;
  letter-spacing: 0;
  line-height: 26px;
  margin-top: 25px;
  margin-right: 40px;
  position: relative;
  opacity: 0;
  transform: translate(0, 80px);
  transition: transform 0.5s ease;
}
.item-1 .mask-bg {
  background: rgba(0, 82, 217, 1);
}
.item-2 .mask-bg {
  background: #9b26b6;
}
.item-3 .mask-bg {
  background: #00a9ce;
}
.item-5 .mask-bg {
  background: rgba(121, 192, 0, 1);
}
.item-6 .mask-bg {
  background: rgba(150, 140, 131, 1);
}
.item-7 .mask-bg {
  background: rgba(255, 103, 31, 1);
}
.item-4 .mask-bg {
  background: rgba(255, 103, 31, 1);
}
.item-8 .mask-bg {
  background: rgba(121, 192, 0, 1);
}
.staff_Join {
  padding-bottom: 96px;
}
.joinbox {
  position: relative;

  overflow: hidden;
  width: 1200px;
  margin: 0 auto;
}

.joinbox a {
  position: relative;

  display: block;
}
.joinbox img {
  width: 1200px;
}
.joinbox .mess {
  position: absolute;
  left: 160px;
  top: 132px;
}
.mess h2 {
  font-weight: 400;
  font-size: 30px;
  color: #2a2e2e;
}
.mess .go-link {
  font-size: 20px;
  font-weight: 500;
  line-height: 36px;
  color: #0052d9;
  margin-top: 16px;
}
.go-link p {
  float: left;
  margin-right: 9px;
}
.mess .go-icon img {
  width: 19px;
  float: left;
  margin-top: 10px;
}
.joinbox .dian {
  display: flex;
  justify-content: space-around;
  position: absolute;
  left: 50%;
  bottom: 50px;
  transform: translateX(-50%);
  width: 150px;
  height: 16px;
  /* background-color: #000; */
  z-index: 5;
  transition: all .3s;
}
.joinbox .dian:hover{
  transform:translateX(-50%) scale(2,2);
}
.joinbox .dian li {
  width: 16px;
  height: 16px;
  border-radius: 8px;
  background-color: #fff;
  transition: all 0.5s;
}

.joinbox .dian .red {
  width: 50px;
}
.joinbox .dian li:hover{
  background-color: rgb(250, 173, 173);
}
.slideshow {
  position: relative;
  width: 5000%;
  margin-left: -1200px;
  /* transition: all 1s; */
}
.slideshow li {
  float: left;
}
.joinbox .zuo {
  display: block;
  display: none;
  position: absolute;
  left: 0;
  top: 0;
  z-index: 1;
  width: 150px;
  height: 100%;
  background-color: #5f6464;
  opacity: 0.5;
}
.joinbox .you {
  display: block;
  display: none;
  position: absolute;
  right: 0;
  top: 0;
  background-color: #5f6464;
  z-index: 1;
  width: 150px;
  height: 100%;
  opacity: 0.5;
}
.displayNone {
  display: none;
}
